[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc

Index: native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc b/native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc
index be524d51e780c8c6e4bacb17d8d0654d7ea088a1..27ee0d29947ec8665c9cc59b725b9a046e12c79e 100644
--- a/native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc
+++ b/native_client_sdk/src/libraries/nacl_io/mount_node_socket.cc
@@ -18,10 +18,11 @@
 namespace nacl_io {
 
 MountNodeSocket::MountNodeSocket(Mount* mount)
-    : MountNode(mount),
+    : MountNodeStream(mount),
       socket_resource_(0),
       local_addr_(0),
-      remote_addr_(0) {
+      remote_addr_(0),
+      socket_flags_(0) {
   stat_.st_mode |= S_IFSOCK;
 }
 
@@ -32,11 +33,10 @@ void MountNodeSocket::Destroy() {
     mount_->ppapi()->ReleaseResource(local_addr_);
   if (remote_addr_)
     mount_->ppapi()->ReleaseResource(remote_addr_);
-}
 
-// Default to always signaled, until socket select support is added.
-uint32_t MountNodeSocket::GetEventStatus() {
-  return POLLIN | POLLOUT;
+  socket_resource_ = 0;
+  local_addr_ = 0;
+  remote_addr_ = 0;
 }
 
 // Assume that |addr| and |out_addr| are non-NULL.
@@ -67,10 +67,27 @@ Error MountNodeSocket::Write(size_t offs,
   return Send(buf, count, 0, out_bytes);
 }
 
-NetAddressInterface* MountNodeSocket::NetAddress() {
+NetAddressInterface* MountNodeSocket::NetInterface() {
+  if (mount_->ppapi() == NULL)
+    return NULL;
+
   return mount_->ppapi()->GetNetAddressInterface();
 }
 
+TCPSocketInterface* MountNodeSocket::TCPInterface() {
+  if (mount_->ppapi() == NULL)
+    return NULL;
+
+  return mount_->ppapi()->GetTCPSocketInterface();
+}
+
+UDPSocketInterface* MountNodeSocket::UDPInterface() {
+  if (mount_->ppapi() == NULL)
+    return NULL;
+
+  return mount_->ppapi()->GetUDPSocketInterface();
+}
+
 PP_Resource MountNodeSocket::SockAddrToResource(const struct sockaddr* addr,
                                                 socklen_t len) {
   if (AF_INET == addr->sa_family) {
@@ -115,7 +132,7 @@ socklen_t MountNodeSocket::ResourceToSockAddr(PP_Resource addr,
   PP_NetAddress_IPv4 ipv4;
   PP_NetAddress_IPv6 ipv6;
 
-  if (PP_TRUE == NetAddress()->DescribeAsIPv4Address(addr, &ipv4)) {
+  if (PP_TRUE == NetInterface()->DescribeAsIPv4Address(addr, &ipv4)) {
     sockaddr_in addr4;
     addr4.sin_family = AF_INET;
     addr4.sin_port = ipv4.port;
@@ -126,7 +143,7 @@ socklen_t MountNodeSocket::ResourceToSockAddr(PP_Resource addr,
     return sizeof(sockaddr_in);
   }
 
-  if (PP_TRUE == NetAddress()->DescribeAsIPv6Address(addr, &ipv6)) {
+  if (PP_TRUE == NetInterface()->DescribeAsIPv6Address(addr, &ipv6)) {
     sockaddr_in6 addr6;
     addr6.sin6_family = AF_INET6;
     addr6.sin6_port = ipv6.port;
@@ -257,7 +274,6 @@ Error MountNodeSocket::GetSockName(struct sockaddr* addr, socklen_t* len) {
   return ENOTCONN;
 }
 
-
 }  // namespace nacl_io
 
 #endif  // PROVIDES_SOCKET_API